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In accordance with Wang et al.?s paper , Pearson?s correlation coefficients had been implemented to measure the colocalization of LC and LAMP. PCC of one sample was calculated as themean worth of three fields TUNEL assay The TUNEL assay was performed by using the colorimetric TUNEL Apoptosis Assay Kit. Apoptotic cells have been stained brown as a result of exposed OH. Typical nuclei were labeled blue by hematoxylin. Nuclei had been counted in 5 random large energy fields of each lung by the exact same researcher blinded towards the experiment grouping. The ratio in the TUNEL beneficial cells in 5 fields was calculated for comparisons among the various groups. Statistics examination Information are presented as indicates SD. Statistical analysis was carried out making use of the unpaired t test or ANOVA for various comparison by using the SPSS software package . Variations were regarded as statistically major when P . Results Effects of I R on autophagic flux in lung tissue Initially, we detected autophagosome labeled protein LC II by Western blotting inside the different groups. As could be viewed in Inhibitors , the sham group expressed a basal LC II degree, which was elevated soon after min ischemia, plus the reperfusion Tofacitinib h and h groups showed essentially the most labeled protein. At h immediately after reperfusion, the densitometry of LC II returned to base level. To verify the role of reperfusion in activating autophagy, we chosen four groups of rats that had been subjected to a sham operation, hischemia,hischemia followedhreperfusion, or rapamycin pretreated for d along with a sham operation. Information in Inhibitors shows that hischemiaelevatedLC II drastically,but hischemia andhreperfusionresulted inhigher level of LC II protein than h ischemia alone. The LC II density while in the h ischemia and h reperfusion groupwas equal on the rapamycinpretreated shamoperation group, the constructive management. The accumulation of LC II does not certainly reflect an elevation of autophagic flux, and impaired clearance of autophagosomes also can lead to LC II labeled autophagosome aggregation . Double immunofluorescence evaluation of LC and LAMP , a lysosomal membrane marker, was carried out. Inhibitors A exhibits the colocalization of LC positive autophagosomes and LAMP labeled lysosomes in situ. The Pearson?s correlation coefficients of your and h reperfusion groups, which statistically measures colocalization of LC and LAMP, have been equal to that in the sham group . This indicated that autophagic catabolism while in the I R rats was ordinary . So, the accumulation of LC II, shown in Inhibitorss and , confirmed commercially available drug library the I R approach can induce autophagy inside the lung. Statistical data also indicated that the PCC on the h reperfusion group was reduced compared using the sham group . An interpretation of this is certainly that within the early phase of I R, the rate of immature autophagic vacuoles in h reperfusion group is larger than inside the typical scenario, these immature autophagic vacuoles didn’t fuse with lysosomes, so the PCC from the h reperfusion group was under that of your sham group Suppression of autophagy by MA lessens lung I R injury Additional experiments had been performed to evaluate the part of autophagy in lung I R damage.

The incidence increases with prematurity and minimal birth fat which, despite spontaneous descent, persists in . at age months. Surgical correction is now a mainstay of therapy, with existing recommendations advocating early repair ahead of age 12 months. Subfertility may be a regarded sequela of testicular maldescent, notably if bilateral, dueto failurein germ cell maturation, potentially triggered by intra stomach heat tension. The part of apoptosis within this practice has become described in a variety of experimentally cryptorchid animal versions, but couple of investigators have studied a model of congenital cryptorchidism. TheHoxa knockout mouse exhibits bilateral intraabdominal testes that persist into adulthood with resultant sterility. This gene is associated with limb patterning and is also highly expressed in mullerian and wolffian structures but not inside of the gonad. Hoxa deletion brings about failure of scrotal development and absence of your inguinal canal, main to cryptorchidism. Testicular histology appears regular at birth, but is followed by progressive and extreme disruption within the germinal epithelium, primary to complete infertility. We have now previously shown that early orchiopexy restores fertility and improves spermatozoa counts inside a proportion of those mice. This acquiring signifies that our model may be of valuein learning Perifosine selleck these quelaeof prolonged cryptorchidism and also the results of therapeutic intervention. Nitric oxide may be a reactiveradical fuel mediating numerous biological functions. Of the unique varieties of nitric oxidesynthase thee ndothelial type has a function in germ cell apoptosis inside the human testis. NOS inhibitors, just like thecompe titivesubstrateN nitro Larginine methyl ester , improves testicular function inside the cryptorchid rat via a nonhormonally mediated pathway. Wee valuatethetimecourseof apoptosis inside a mouse model of congenital cryptorchidism and find out if NOS inhibition can attenuate this response in vivo. Animals. Mice were bred and housed inside the Cincinnati Small children?s Hospital Analysis Foundation vivarium beneath controlled conditions of lighting and temperature with food and water provided MDV3100 as desired. Experiments were accepted through the Institutional Animal Care and Use Committee, and carried out in accordance with all the Nationwide Institutes of Wellbeing Guidelines for theCareand Useof Laboratory Animals. All chemicals were purchased from Sigma Aldrich unless of course otherwise mentioned. Genomic DNA was purified from a . cm tail sample at days of existence for genotyping by polymerase chain reaction. Hoxa knockout males and wild type controls were weaned at age weeks. A colony of mice by using a hemizygous deletion of the gene was maintained for breeding purposes.

Cell cycle circulation appeared to be determined by by using a FACScan pass cytometer Elpoptosis analysis Cancer cells, handled with distinctive doses of berberine alone or in mixture with caffeine or KU or UCN , had been harvested and washed as soon as in cold PBS, after which stained with Alexa Fluor annexin V and propidium iodide and analyzed by movement cytometry by using nm excitation. The fraction of apoptotic cells was established with FCS Express V program Immunofluorescence staining and movement cytometric examination of HAX Cells grown on coverslips were washed when in PBS, and fixed in ImmunoStaining Repair Choice for min at area temperature. Then overslips were washed in PBS 3 times and cells were permeabilized in PBS with . TritonX . Principal antibody incubation was performed overnight at : dilutions for anti HAX at ?C immediately after blocking with goat serum overnight at ?C. Thereafter, the coverslips have been washed three times in PBS, and incubated with TRITC conjugated Goat anti mouse secondary antibody for h at room temperature. Cells were counterstained with DAPI for min immediately after currently being washed 3 times in PBS and viewed by using a fluorescence microscope utilizing a goal. HA.X Phosphorylation Assay Kit was also employed to determine the ranges of HAX. RM cells were labeled with anti phospho Histone HAX FITC conjugate in accordance with the manufacturer?s directions, after which have been analyzed on the FACScan flow cytometer Rucaparib selleck . Information analysis was carried out with FCS Express V software package Western blotting evaluation RM cells just after berberine treatment method alone or in mixture with other inhibitors have been harvested and lysed in RIPA Lysis Buffer . Lysates containing g total protein have been subjected to SDSPAGE followed by transfer to a PVDF membrane applying an electroblotting apparatus for h at v. Right after blocking non particular binding by incubating membrane in skim milk for no under h at room temperature, the membrane was incubated in main antibody diluted in Principal Antibody Dilution Buffer at ?C overnight. And also the horseradish peroxidase conjugated secondary antibody was employed to purchase Entinostat selleck incubate the membrane for h at space temperature, and after that the membrane was incubated with SuperSignal West Pico Chemiluminescent Substrate . Bandscan V was employed to scan the gray values of target protein bands siRNA transfection of RM cells 1 day in advance of transfection, RM cells have been plated at mm culture dishes at a reduced density in order that they’d be confluent with the time of transfection. pmol siRNA was transiently transfected into murine RM cells in RPMI medium without having serum and antibiotics applying LipofectamineTM according to the manufacture?s instructions.

The induction of apoptosis in tumor cells is considered quite valuable inside the management and treatment as well as in the prevention of cancer . A wide variety of all-natural substances are already acknowledged to get the capability to induce apoptosis in diverse tumor cells . Its thus regarded as essential to screen apoptotic inducers from plants, both from the type of crude extracts or as elements isolated from them . Apoptogenic effects of saffron and its constituents have been shown in number of studies. Our earlier research was primary report in which saffron extract could induce apoptosis in HepG and HeLa cell lines . Not long ago Dhar et al showed crocerin, a carotenoid compound derived from saffron, could induce apoptosis in the two pancreatic cancer cells and athymic nude mice tumor . Crocin also induced morphological modifications which includes cell shrinkage and piknotic nuclei suggesting that apoptosis could mediate the cytotoxic impact of crocin in HeLa cells . Activation of caspases appears for being directly accountable for several on the molecular and structural improvements in apoptosis. These consist of degradation of DNA repair enzyme poly ribosepolymerase and DNA dependent protein kinase , and cleavage of chromatin at inter Methazolamide nucleosomal internet sites mediated by caspase activated DNase . In this examine, inhibition of caspases could block saffron induced apoptosis in MCF cells . It’s indicating caspase dependent pathways had been induced by saffron in MCF cells and a few aspects aside from caspases such as apoptosis inducing aspect might not to become markedly concerned. Bax expression as an important and determinant index of apoptotic cell death was increased within this examine, confirming mitochondrial pathway entails in saffron induced apoptosis in MCF cells and could supply even more practical knowledge to mechanisms concerned. The bcl family members of proto oncogenes is anti apoptotic or proapoptotic . Once activated, Bax is inserted into the mitochondrial membrane and increases membrane permeability .leading to release of cytochrome C, activation of a selection of caspases and cleavage of downstream death effector proteins, and in the long run results in apoptotic cell death . Altogether, the present examine shows toxicity of saffron in MCF cell line with involvement of apoptosis or programmed cell death. Further research IOX2 clinical trial are required to totally recognize the mechanisms associated with cell death. Saffron could also be considered as a promising chemotherapeutic agent in remedy of breast cancer. Berberine, an isoquinoline alkaloid existing in many medicinal herbs including Huanglian , is among the most typically utilized herbal medicines. Historically applied for therapy of gastroenteric discomfort, berberine has also been sought for your therapy of diabetes . There are a developing variety of reviews documenting the anti tumor action of berberine .

The existing study demonstrates that a large soy food plan lowers infarct size soon after tMCAO in ovariectomized female rats, very similar to results previously shown together with the long term MCAO model and in male rats following tMCAO . This really is the primary research to demonstrate attenuation of programmed cell death by a large soy eating plan, similar to results previously proven with estradiol . Rats fed a large soy diet for weeks just before tMCAO had decreased DNA fragmentation h right after tMCAO. Even further, rats fed a higher soy diet plan had reduced active caspase protein expression and lowered caspase mediated spectrin cleavage h just after tMCAO. A higher soy diet also decreased nuclear AIF translocation following tMCAO. These effects recommend that soy decreases both caspase dependent and caspase independent cell death within the ischemic cortex following tMCAO, resulting in a decreased infarct size. Ultimately, this really is the 1st study to show that a high soy diet plan increases each mRNA and protein expression of your anti apoptotic gene bclxL during the ischemic cortex following tMCAO, suggesting a attainable mechanism for soy mediated neuroprotection. Focal cerebral ischemia and reperfusion lead to large cell death in the core of the infarct. Neurons in the core within the infarct PF-04691502 selleck chemicals die by necrosis, even though cells from the ischemic penumbra undergo programmed cell death, or apoptosis . Cells while in the penumbra have decreased blood movement and may well be exposed to deleterious aspects generated by neighboring cells. In the hours and days following a stroke, the infarct region will increase as cells in the penumbra die by apoptosis. Having said that, cells while in the penumbra might be rescued by decreasing the quantity of programmed cell death after ischemia, leading to a reduced infarct dimension . Estradiol attenuates stroke linked injury in animal versions of ischemia, and several potential mechanisms have already been proposed to account for estrogen?s neuroprotective effects . Rau et al. concluded that estradiol protects the brain against ischemic injury by delaying and decreasing the extent of apoptosis more than the course of h following ischemia. Estrogen decreases TUNEL staining while in the cortex just after tMCAO , indicating decreased DNA fragmentation and apoptosis. Here, we demonstrate that a higher soy eating plan also decreases DNA fragmentation after tMCAO, resulting in a reduction in infarct dimension. Selumetinib selleck For the duration of apoptosis, intracellular activation of caspases in a cascade leads to degradation of cellular constituents and eventually, cell death. Caspase is believed to get the key executioner protease of apoptotic caspase . Caspase exerts its effects by cleaving DNA and disabling DNA repair processes. There are some conflicting reports on whether or not caspase is activated following ischemia in some rodent versions . However, in our tMCAO model, we observed active caspase immunostaining while in the ischemic cortex that was significantly reduced by a higher soy diet plan.

Immunohistochemical and ISH findings The pattern of ALK protein expression was identical by ALK and phosphospecific ALK antibody staining. It showed a distinctly dot like positivity inside the Golgi region in addition to rough granular cytoplasmic staining . Immunophenotypically, the tumor cells were strongly optimistic for CD, VSc, epithelial membrane antigen , VSc, and light chain , and lacked expression of CD, CDa, CD, CD, and light chain. Ki index was constrained to . Testing for EBV by ISH showed a unfavorable consequence. FISH and PCR confirmed the ALK gene rearrangement Interphase FISH evaluation demonstrated the tumor cells to get one particular orange green fusion signal, indicating the usual ALK allele, and a single set of separated orange and green signals, indicating the presence of chromosomal translocation on the ALK gene locus . RT PCR, genomic DNA PCR, and sequence examination indicated the presence within the CLTC ALK fusion . Discussion Even though ALK involving chromosomal translocations have been originally identified in ALCL, comparable genetic abnormalities have already been detected from the DLBCL and non hematopoietic neoplasms, together with inflammatory myofibroblastic tumor and non little cell lung cancer . These aberrations introduce the expression of ligandindependent, constitutively activated fusion forms of the ALK kinase, which can be the causative component while in the development in the diseases. ALK kinase Ostarine molecular weight selleck targeted therapies that are each extra powerful and less toxic might be highly important in the clinical management of those ALK constructive tumors. ALK beneficial DLBCL was initially reported in by Delsol et al. as an uncommon variant of DLBCL that expressed fulllength ALK protein in contrast to a chimeric protein characteristic of ALCL . Later on in , molecular and protein analyses unveiled that ALK DLBCL expressed both CLTC ALK or NPM ALK . All cases of ALK DLBCL showed an immunoblastic plasmablastic morphology and plasma cell like immunophenotype not having expression of B cell lineage markers, including CD. This completely unique immunophenotype prompted our interest in exploring ALK fusions in plasma cell malignancies, which corresponded to the end stage of B cell maturation. Whilst plasmacytoma was observed within the NPM ALK transgenic mice , so far no report has indicated ALK involvement in sufferers with plasma cell tumors. In a total of EMP patients, Nutlin-3 as in ALK DLBCL, ALK involvement due to chromosomal translocation is incredibly uncommon, and we found only one beneficial case. The dot like positivity while in the Golgi area and rough granular cytoplasmic staining with the ALK protein advised the existence of a CLTC ALK fusion, which was subsequently confirmed by FISH and PCR analyses. Our case needs to get differentiated from ALK DLBCL because the latter have the related immunophenotype. Beltran et al. summarized reported cases of ALK DLBCLs and located it showed a bimodal age distribution .

This contrasts using the report of Sun et al even so, their research had been performed on cells that had been serum starved before AICAR treatment method. In our research, the powerful Ku mediated inhibition of p activation was linked to no modify in AMPK activation status, according to the lack of phosphorylation of AMPK itself or of your AMPK target, ACC . This additional supports the conclusion the activation within the p pathway by AICAR within a cells is dependent on ATM kinase action but not AMPK exercise Knock down of ATM protein attenuates p phosphorylation in AICAR handled cells Subsequent, shRNA was made use of to knock down ATM expression to even further verify the part of ATM within the activation of p by AICAR. A cells treated with lentiviral particles built to silence ATM expression by shRNA showed a substantial reduction of ATM levels as in contrast to cells treated with handle lentivirus . AICAR treatment of handle cells for h resulted from the improved expression of total p and of p phosphorylated at serine and . This boost was linked to the accumulation of MDM and p. Silencing of ATM didn’t prevent the accumulation of complete p in AICAR taken care of cells but significantly attenuated p phosphorylation at serine and . MDM accumulation was also attenuated by ATM shRNA. In contrast to Ku treatment, the ATM knock down did not avert p accumulation or p upregulation in AICAR PD 98059 ic50 handled cells . This inconsistency may result from the incomplete silencing of ATM through the shRNA constructs coded by lentiviral particles or from an unidentified, non certain exercise of Ku , which might inhibit an enzyme besides ATM. Irrespective, this data obviously demonstrates that ATM is required for that productive p phosphorylation at Ser and Ser in response on the AMP mimetic AICAR. The unique mTOR inhibitor rapamycin was implemented to check the hypothesis that mTOR could modulate the activation in the p pathway in cells exposed to AICAR . Rapamycin strongly attenuated AICAR induced p activation, as indicated by a lowered upregulation of total p plus a decreased phosphorylation of p at serine or . The lowered p upregulation was linked to a lack of p accumulation even immediately after h of remedy. Consistent with all the immunoblotting outcomes, immunocytochemical PD0332991 staining showed that rapamycin prevented the p upregulation induced by AICAR . So, the mTOR kinase is needed to the activation of the p pathway in cells exposed to AICAR. Upcoming, the response of cancer cells to AICAR publicity was in contrast to that of normal human fibroblasts . A cells don’t have practical AMPK signaling . Each A and NHF cells showed signs of p activation, whilst the boost in complete p was better inside a cells.

The bcl xL:bax ratio was similarly increased while in the previous rat heart and brain , compared to that in youthful grownups throughout hypoxia:reoxygenation Comparison of heart and brain There was much less morphological evidence of DNA fragmentation by either internucleosomal DNA fragmentation assay or TUNEL technique inside the hearts in comparison to brain. Bcl protein expression was a great deal lower in the heart in comparison to the brain at baseline and with hypoxia:reoxygenation . Bcl xL and bax had been also current at decrease levels while in the heart compared to the brain . Evaluation in the fas:APO receptor antigen expression showed that there appeared to become slightly larger baseline amounts during the brain when compared to the heart. The two the brain along with the heart showed a higher maximize of fas:APO from baseline throughout hypoxia plus reoxygenation, though inside the brain the grow occurred earlier than during the heart . So, the brain seems to be somewhat a lot more sensitive compared to the heart to hypoxia: reoxygenation damage, and the brain and heart with the outdated animal are more susceptible than that with the youthful grownup. The key findings through the research are as follows: Very first, the extent of DNA fragmentation during the heart and brain was higher with expanding duration of hypoxia preceding reoxygenation . 2nd, the heart and brain with the old rat sustained extra DNA fragmentation in contrast with people of the young adult. Third, there have been qualitative and quantitative Secretase inhibitor age variations within the expression from the anti apoptotic proteins bcl bcl xL along with the professional apoptotic protein bax. Fourth, the brain demonstrated somewhat higher vulnerability than the heart to hypoxia reoxygenation injury. From the existing research the extent of DNA fragmentation was identified to rise with improving duration of hypoxia preceding reoxygenation. These outcomes assistance the notion the degree of oxidative injury possible depends in part around the duration of the hypoxemic insult. Oxidative injury from the brain plus the heart are actually studied in each hypoxia:reoxygenation and ischemia:reperfusion versions . There are a few recent reports of altered expression of the bcl protein loved ones from the brains of sufferers with Alzheimer?s condition and other neurodegenerative disorders . Even so, the influence of age on the expression molecule library of apoptotic proteins and the extent of DNA fragmentation right after exposure to hypoxia:reoxygenation hasn’t been extensively studied . Even though bcl protein was barely detecinhibitors at baseline from the tissues of outdated rats within the current examine, it rose progressively with the duration of hypoxemic: reoxygenation pressure, and also the bcl :bax ratio was larger during the previous heart and brain when compared to that within the young adult. This was also the case with bcl xl. These findings along with the higher DNA fragmentation inside the previous in comparison with youthful adult tissues, suggest that there may possibly be a greater threshold for hypoxic: oxidative damage in the young grownup, possibly as a result of a lot more helpful homeostatic mechanisms.

It has been properly acknowledged that modification of DNA methylation and or histone modification codes can cause reactivation of silenced genes. The reversible nature of epigenetic adjustments in cancer cells by inhibitory agents has become explored as a new avenue for cancer treatment method. Histone deacetylase inhibitors were lately located to get very well tolerated in patients with hematologic and strong malignancies . A number of lessons of HDAC inhibitors exist, and they display varied effects on cellular functions. These effects comprise cell cycle arrest, initiation of differentiation, chromatin remodeling, inhibition of angiogenesis, and apoptosis induction . Many of these results have been initially imagined to become as a result of hyperacetylation of histones and activation of previously silenced genes. Even so, it appears that these agents trigger hyperacetylation of a range of proteins, the topic of latest research . It has been suggested that the tumor specificity of those agents is associated with their capability to induce apoptosis . Ordinary cells are delicate to apoptotic signals this kind of as DNA injury and DNA repair deficiency. Defects in apoptotic pathways are regarded contributing issue in tumorigenesis and inside the resistance of cancer cells to a number of therapeutic small molecular inhibitors screening agents. HDAC inhibitors may perhaps trigger cells death by restoring the integrity of apoptotic pathways that have been blocked or suppressed in cancers. Having said that, comparatively handful of research have investigated the apoptotic pathways which can be activated by HDAC inhibitors in endometrial cancer, and lots of elements with the HDAC results in endometrial cancer cells continue to be unknown. Defining these mechanisms is notably crucial provided that defects in caspase activation and apoptosis happen to be linked to chemoresistance . In this report we demonstrate that the HDAC inhibitors oxamflatin and HDAC inhibitor substantially inhibit the development of endometrial cancer cells. Moreover, these agents are noticed to induce apoptosis in both Variety I and Variety II endometrial carcinomas. The pathways by which apoptosis is induced is dependent on the particular drug and cell lines implemented. Nevertheless, both the mitochondrial and death receptor pathways appear to be activated when oxamflatin is administered to serous endometrial cancer cells. This dual activation could possibly account for that enhanced efficacy observed with administration of this agent. Products and methods Cell lines and reagents The human endometrial serous cancer Ark cell line was generously offered by Dr. Alessandro PI3K Inhibitors Santi . These cells had been isolated from African American sufferers harboring sophisticated stage uterine serous papillary carcinoma . The properly differentiated human endometrioid cancer Ishikawa cell line was generously offered by Dr. Masato Nishida .

It has been postulated that CD, a cell surface metalloendopeptidase initial described by Greaves et al is often a particular marker of mesonephric differentiation and might be applied to the differential diagnosis of mesonephric remnants from other glandular proliferations of the cervix . Even so, it has been proven not too long ago that CD may also be expressed by endometrial and endocervical adenocarcinomas, consequently limiting the usage of the respective antibody being a diagnostic tool . In the present do the job, a panel of particular antibodies which can be used in regimen pathology in an effort to differentiate benign from malignant glandular endocervical lesions has become studied. Our aim was to investigate no matter whether a blend of immunohistochemical stains could deliver extra knowledge regarding the mesonephric origin of a lesion and guide while in the distinction from non mesonephric mimics. Elements and strategies Formalin fixed and paraffin embedded material from your surgical pathology division of IASO Hospital, Athens, Greece, continues to be implemented for that study. Specimens comprised cervical colposcopic biopsies, loop and cone biopsies and hysterectomy specimens. Scenarios of mesonephric duct hyperplasia , microglandular hyperplasia , tunnel clusters , tuboendometrioid metaplasia , in situ cervical adenocarcinoma and infiltrating cervical adenocarcinoma had been integrated while in the examine. The haematoxylin and eosin stained slides have been independently reviewed by two pathologists . Interobserver variation was resolved by simultaneous dual re evaluation. Immunohistochemistry Sections m thick were reduce in the NVP-BGJ398 kinase inhibitor paraffin blocks, floated onto sialinized glass slides and dried out at C overnight, before deparaffinization in zylene and rehydration via graded ethanols. All sections were subjected to microwave heating at Wfor min in pH . citrate buffer and cooled in operating water. Antibodies applied have been bcl , p , CD and Ki MIB . MIB was favored in excess of other antibodies to Ki since on top of doing work on formalin fixed and paraffinembedded tissues, it truly is of verified dependability in detecting Ki molecule and it is the favored antibody in latest bibliography . Immunohistochemical staining was carried out implementing a peroxidase EnVision immunodetection technique created by Dako , which avoids false good reactions because of the lack of endogenous biotin exercise . Diaminobenzidine was put to use as the chromogen and sections had been counterstained Nafamostat solubility selleckchem with Harris’ haematoxylin. Positive controls had been included in each and every immunostaining run. These comprised human tonsil for Ki and bcl, ordinary proliferative phase endometrium for CD and for p a cervical adenocarcinoma with identified diffuse sturdy positivity with this particular antibody. Detrimental controls had been obtained by omitting the primary antibodies. Immunohistochemical examination Immunoreactivity was evaluated by combining the staining intensity as well as percentage of positively stained cells. Staining intensity for all four antibodies was scored as follows: none, weak, reasonable, and strong.